<aside class="main-sidebar">

    <!-- sidebar: style can be found in sidebar.less -->
    <section class="sidebar">

        <!-- Sidebar user panel (optional) -->
        <div class="user-panel">
            <div class="pull-left image">
                <img src="../../images/avatars/avatar.jpg" class="img-circle" alt="User Image">
            </div>
            <div class="pull-left info">
                <p>管理员</p>
                <!-- Status -->
                <a href="#">
                    <i class="fa fa-circle text-success"></i> 在线</a>
            </div>
        </div>

        <!-- Sidebar Menu -->·
        <ul class="sidebar-menu tree" data-widget="tree">

        </ul>
        <!-- /.sidebar-menu -->
    </section>
    <!-- /.sidebar -->
</aside>